Tests atomicity of compareAndSet.
JVM options: [-server, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, 0.0 | 0 | FORBIDDEN | not both shall fail |
| false, true, 2.0 | 567674 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 1038826 | ACCEPTABLE | actor1 update successfully |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.3509528E-38 | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-Xint] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, 0.0 | 0 | FORBIDDEN | not both shall fail |
| false, true, 2.0 | 48 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 49472 | ACCEPTABLE | actor1 update successfully |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.3509528E-38 | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-server, -XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, 0.0 | 0 | FORBIDDEN | not both shall fail |
| false, true, 2.0 | 74686 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 416564 | ACCEPTABLE | actor1 update successfully |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.3509528E-38 | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-client] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, 0.0 | 0 | FORBIDDEN | not both shall fail |
| false, true, 2.0 | 255960 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 1513160 | ACCEPTABLE | actor1 update successfully |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.3509528E-38 | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-client, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, 0.0 | 0 | FORBIDDEN | not both shall fail |
| false, true, 2.0 | 83702 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 279218 | ACCEPTABLE | actor1 update successfully |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.3509528E-38 | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-server] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, 0.0 | 0 | FORBIDDEN | not both shall fail |
| false, true, 2.0 | 126995 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 1784185 | ACCEPTABLE | actor1 update successfully |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.3509528E-38 | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-server, -XX:-TieredCompilation, -XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, 0.0 | 0 | FORBIDDEN | not both shall fail |
| false, true, 2.0 | 311643 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 1150707 | ACCEPTABLE | actor1 update successfully |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.3509528E-38 | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-XX:TieredStopAtLevel=1] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, 0.0 | 0 | FORBIDDEN | not both shall fail |
| false, true, 2.0 | 123433 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 2227527 | ACCEPTABLE | actor1 update successfully |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.3509528E-38 | 0 | FORBIDDEN | not both shall succeed |